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    MCM 7.4 oil

    Do you guys know what the mercury 25-50 oils zinc content is? Thinking of going this route if zinc checks out
  2. L

    MCM 7.4 oil

    Offshore racing gear heads lol-Or I’d feel the same way just resorting back to quicksilver. It’s what I’ve done in the past but I see a lot of people running different oils than the quick silver. I also didn’t realize you can put “diesel” oil in these but seems like that’s just to get past...
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    MCM 7.4 oil

    Hello! Seasons upon us and I have a question! Just picked up a new to me 1989 mach 1 condor in great shape. It has a 454 in it that was rebuilt 7 years ago with less than 400 hours on it. Runs great. The owner was running 5w-40 full synthetic in it. I asked him and he had called around his motor...
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